Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4FL callsign genealogy
Currently held by Marion County ARES
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AF4FL's current licensee, walking backwards.
- KQ4PUWcancelledMarion County ARESFLgranted 2024-03-15cancelled 2024-06-08
Successor callsigns
Callsigns held now by people who previously held AF4FL.
- KOIZUMI, MASAKIMEgranted 2019-05-14
All historical holders
Every license row we've seen with the callsign AF4FL, oldest first.
- Marion County ARES FL2024-06-08 active
- KOIZUMI, MASAKI— → cancelled 1999-08-04